diff --git a/src/zlevis b/src/zlevis
index 85a6733..06c9f2a 100755
--- a/src/zlevis
+++ b/src/zlevis
@@ -12,6 +12,24 @@ if [ "$1" = "--summary" ]; then
     exit 0
 fi
 
+case "$1" in
+    "decrypt") 
+        case "$2" in
+            "pool") zfs list -Ho tpm:jwe "$3" | zlevis-decrypt;;
+            "key") zlevis-decrypt;;
+            *) exit 1;;
+        esac
+    ;;
+    "encrypt")
+        case "$2" in
+            "pool") read -r -d . key || zfs set tpm:jwe=$(printf "%s" "$key" | zlevis-encrypt "$4") "$3";;
+            "key") zlevis-encrypt "$3";;
+            *) exit 1;;
+        esac
+    ;;
+    *) exit 1;;
+esac
+
 # Display usage information if input is from a terminal
 if [ -t 0 ]; then
     exec >&2
@@ -19,23 +37,5 @@ if [ -t 0 ]; then
     exit 2
 fi
 
-case "$1" in
-    decrypt) 
-        case "$2" in
-            pool) zfs list -Ho tpm:jwe $3 | zlevis-decrypt;;
-            key) zlevis-decrypt;;
-            *) exit 1;;
-        esac
-    ;;
-    encrypt)
-        case "$2" in
-            pool) read -r -d . key || zfs set tpm:jwe=$(printf "%s" "$key" | zlevis-encrypt $4) $3;;
-            key) zlevis-encrypt $3;;
-            *) exit 1;;
-        esac
-    ;;
-    *) exit 1;;
-esac
-
 # Exit with the status of the last command
 exit $?
\ No newline at end of file